*{
    margin: 0;
    padding: 0;
}
html, body{
    height: 100%;
}
body {
    height: 100%;
  font: 14px "Lucida Grande", Helvetica, Arial, sans-serif;
}

a:visited{
    color: inherit;
}
.btn{
    width: 60px;height: 40px;
    background-color: white;
    border: 0;
    border-radius: 3px;
    font-family: 'microsoft yahei';
    font-size: 14px;
}
input{
    font-family: 'microsoft yahei';
    outline: none;
}
.h{ display: none; }